Municipalities in the Watershed
- Ardsley, Village of
- Dobbs Ferry, Village of
- Elmsford, Village of
- Hastings-on-Hudson, Village of
- Irvington, Village of
- Greenburgh, Town of
- Mount Pleasant, Town of
- New Castle, Town of
- Pleasantville, Village of
- Sleepy Hollow, Village of
- Tarrytown, Village of
- Yonkers, City of